8)After broad strokes I have erased some airbrush.（擦掉多余的色调）
9) I render each surface in a new layer and then merge it down to layer below after all erasing has been done. （在新图层对每个面上色 ）
10) Now erased bits for highlights.（擦出高光）
11) Surfaces with black.
12)On layer below black I used an orange airbrush to colour in surfaces.
14)add blue at this point it becomes either very quick or you could spend hours rendering colours. I have quickly rendered here without to much fuss.
15)erase colour and add details of buttons
16) Background and finished!!!!! Hope that helps people working out Alias. Good luck!